128098768

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:356

約数の個数: 80

約数和(自身を含む): 292481280

約数和(自身を除く): 164382512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 89, 112, 142, 178, 181, 284, 356, 362, 497, 568, 623, 712, 724, 994, 1136, 1246, 1267, 1424, 1448, 1988, 2492, 2534, 2896, 3976, 4984, 5068, 6319, 7952, 9968, 10136, 12638, 12851, 16109, 20272, 25276, 25702, 32218, 44233, 50552, 51404, 64436, 88466, 89957, 101104, 102808, 112763, 128872, 176932, 179914, 205616, 225526, 257744, 353864, 359828, 451052, 707728, 719656, 902104, 1143739, 1439312, 1804208, 2287478, 4574956, 8006173, 9149912, 16012346, 18299824, 32024692, 64049384, 128098768]

約数ペア:

[(1, 128098768), (2, 64049384), (4, 32024692), (7, 18299824), (8, 16012346), (14, 9149912), (16, 8006173), (28, 4574956), (56, 2287478), (71, 1804208), (89, 1439312), (112, 1143739), (142, 902104), (178, 719656), (181, 707728), (284, 451052), (356, 359828), (362, 353864), (497, 257744), (568, 225526), (623, 205616), (712, 179914), (724, 176932), (994, 128872), (1136, 112763), (1246, 102808), (1267, 101104), (1424, 89957), (1448, 88466), (1988, 64436), (2492, 51404), (2534, 50552), (2896, 44233), (3976, 32218), (4984, 25702), (5068, 25276), (6319, 20272), (7952, 16109), (9968, 12851), (10136, 12638)]